(PHP 5 >= 5.3.2, PHP 7)
realpath_cache_size — Get realpath cache size
Get the amount of memory used by the realpath cache.
Returns how much memory realpath cache is using.
Example #1 realpath_cache_size() example
<?php
var_dump(realpath_cache_size());
?>
以上例程的输出类似于：
int(412)